水中气泡上升等效直径的分析与预测

Q2 Mathematics
Gabriel de Carvalho Nascimento, Roger Matsumoto Moreira, Felipe Pereira de Moura, William Alves Tavares, Thiago Ferreira Bernardes Bento, Lorena Brandão Calazan, Milena Silva Andrade, Beatriz Freitas Rezende
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引用次数: 0

摘要

液体中上升气泡的等效直径是一个重要参数,几十年来研究人员出于不同目的对其进行了研究。在水下泄漏分析中,气泡直径在量化石油和天然气泄漏方面发挥着重要作用,因为它可以通过水下航行器在很深的水下获得的图像预测海底油井和其他结构的泄漏量。文献中有关该主题的大多数研究都侧重于调查水中的气泡;因此,这些研究被用作本文所述实验设备的主要指导。对自来水中的气泡链进行了多次测试,其流速从 21.1 毫升/分钟到 234.4 毫升/分钟不等,气泡等效直径从 4.1 毫米到 8.2 毫米不等。此外,还进行了计算流体动力学模拟,以进行比较;这些模拟被验证为潜在的工具,有助于设计基于图像分析算法的海底气体泄漏自动监测系统。在与其他作者报告的结果进行比较的基础上,本文提出的模型可以通过分析和实验进行验证。通过这一过程,可以收集到文献中针对本文所述情况的最有效分析预测的证据。本研究的结果与主要相关文章中记录的结果一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis and Prediction of Equivalent Diameter of Air Bubbles Rising in Water
The equivalent diameter of rising bubbles in liquids is an important parameter that has been investigated for decades by researchers for different purposes. Bubble diameter plays important role in quantifying oil and gas leaks in subsea leak analysis, since it allows the prediction of the magnitude of leaks in seabed petroleum wells and other structures through images obtained by underwater vehicles at great depths. Most studies available in the literature on the subject focus on investigating air bubbles in water; therefore, they were used as the main guide of the experimental apparatus described in this article. Several tests were conducted with air bubble chain in tap water, whose flow rate ranged from 21.1 mL/min to 234.4 mL/min, whereas the bubble equivalent diameter ranged from 4.1 mm to 8.2 mm. In addition, computational fluid dynamics simulations were carried out for comparison purposes; they were validated as potential tools to help designing an automated subsea gas leakage monitoring system based on image analysis algorithms. The herein proposed model could be both analytically and experimentally validated, based on comparisons to findings reported by other authors. This procedure enabled gathering evidence about the most efficient analytical predictions available in the literature for the herein addressed scenario. The results in the present study are consistent to those recorded in the main related articles.
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来源期刊
CFD Letters
CFD Letters Chemical Engineering-Fluid Flow and Transfer Processes
CiteScore
3.40
自引率
0.00%
发文量
76
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